USD430308SExpiredUtility

Retaining wall block

92
Assignee: KEYSTONE RETAINING WALL SYSTEMSPriority: Nov 19, 1998Filed: Nov 19, 1998Granted: Aug 29, 2000
Est. expiryNov 19, 2018(expired)· nominal 20-yr term from priority
Inventors:William B. Dawson
92
PatentIndex Score
56
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a retaining wall block, as shown and described.

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